During the Cenozoic era, plate interactions gave rise to numerous events of mountain building, volcanism, and earthquakes in western North America.
This occurred as a result of the convergence of the Pacific Plate and the North American Plate. The subduction of the oceanic plate beneath the continental plate led to the formation of mountain ranges, such as the Rocky Mountains and the Sierra Nevada.
These geological processes also generated significant volcanic activity, resulting in the formation of volcanic arcs, such as the Cascade Range. Earthquakes have also been a common occurrence in this region due to the ongoing plate tectonics.
In summary, the Cenozoic era saw significant mountain building, volcanic activity, and earthquakes in western North America as a result of the interactions between the Pacific Plate and the North American Plate. This dynamic process shaped the landscape and contributed to the region's rich geological history.
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Place the events of the Solar System's formation in chronological order from protostellar cloud to present day. Protostellar cloud collapses under self-gravity solar nebula rotates rapidly and flattens outward into a disk tiny dust and ice grains condense out of the nebula planetesimals and protoplanets form formation of planets late stage bombardment grain-sized particles stick together Present day
The chronological order of the events of the Solar System's formation: 1. Protostellar cloud collapses under self-gravity 2. Solar nebula rotates rapidly and flattens outward into a disk 3. Tiny dust and ice grains condense out of the nebula 4. Planetesimals and protoplanets form 5. Formation of planets 6. Late stage bombardment 7. Grain-sized particles stick together 8. Present day
1. Protostellar cloud: A large cloud of gas and dust in space begins to collapse under its own gravity.
2. Solar nebula rotates rapidly and flattens outward into a disk: As the protostellar cloud collapses, it starts to rotate faster and flattens into a spinning disk, called the solar nebula.
3. Grain-sized particles stick together: Tiny dust and ice grains within the solar nebula begin to collide and stick together, gradually growing larger.
4. Planetesimals and protoplanets form: As the particles continue to accumulate, they form larger bodies called planetesimals, which eventually grow into protoplanets through more collisions and accretion.
5. Formation of planets: The protoplanets continue to evolve, eventually forming the planets in our Solar System.
6. Late stage bombardment: After the planets have formed, they undergo a period of heavy bombardment by asteroids, comets, and other debris left over from the formation process.
7. Present day: Our Solar System as we know it today, with planets, moons, and other celestial bodies orbiting the Sun.
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during the pleistocene ice age, all the climate belts of the northern hemisphere shifted to the __________.group of answer choicessoutheastwestnorth
Hi, there! :)
During the Pleistocene Ice Age, the climate belts of the northern hemisphere shifted to the south due to changes in:
ocean currents,atmospheric circulation patterns,and Earth's position in relation to the sun.This caused formerly temperate regions to be covered in ice, while areas that are now tropical experienced cooler and drier conditions. This shift had significant impacts on the distribution of flora and fauna, as well as on human societies.
Hope that helps! Good luck! ^_^
a very low reynolds number (<0.5 million) is associated with what type of boundary layer
At very low Reynolds numbers, below 0.5 million, the fluid flow is characterized by a laminar boundary layer.
The Reynolds number is a dimensionless parameter that relates the inertial forces to the viscous forces of a fluid flow. It is defined as the ratio of the product of the characteristic length, velocity, and density of the fluid to the dynamic viscosity.
In a laminar boundary layer, the fluid flows in smooth and regular layers parallel to the boundary, with minimal mixing and turbulence. The velocity profile is parabolic, with the highest velocity at the center of the flow and decreasing towards the boundary. The thickness of the boundary layer is relatively small, and the velocity gradient across it is significant.
At low Reynolds numbers, the viscous forces dominate, and the flow is unable to overcome them to develop turbulence. As a result, the laminar boundary layer remains stable and attached to the surface, allowing for accurate prediction of the flow behavior. However, the laminar boundary layer is susceptible to separation and can cause flow reversal and increased drag on the surface.
In contrast, at higher Reynolds numbers, the flow becomes turbulent, characterized by chaotic eddies and mixing. The thickness of the boundary layer increases, and the velocity profile becomes flatter. Turbulence enhances mixing, which can improve heat transfer and mass transport but also increase drag and cause flow instabilities.
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the african rift valley, red sea, and atlantic ocean are in the correct order from earliest to most advanced steps of sea-floor spreading. true or fulse
True.
The African Rift Valley marks the beginning of a divergent boundary where the African Plate is splitting apart, causing magma to rise and create new crust. The Red Sea is a narrow strip of water that formed as the African Plate continued to pull away from the Arabian Plate. The Atlantic Ocean is a wider expanse of water that formed as the process of sea-floor spreading continued, pushing the African Plate and South American Plate further apart.
The theory of plate tectonics explains the movement of the Earth's lithosphere, which is made up of several large plates that fit together like puzzle pieces. These plates are constantly moving, either towards each other, away from each other, or sliding past each other along their boundaries. One type of plate boundary is a divergent boundary, where two plates are moving away from each other. This movement causes magma from the mantle to rise up and create new crust, which pushes the existing crust apart. Over time, this process can create a new ocean basin. The African Rift Valley is an example of a divergent boundary where the African Plate is splitting apart. This began around 30 million years ago and is still happening today. The valley is a large depression in the Earth's surface that stretches for thousands of kilometers from Syria in the north to Mozambique in the south. As the African Plate continues to move apart, magma rises up to fill the gap and new crust is created. The Red Sea is a narrow strip of water that formed as the African Plate continued to pull away from the Arabian Plate. This began around 20 million years ago and is still happening today. As the plates moved apart, the space between them was filled with seawater, creating a new ocean basin.
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If you were in the southern edge of the Hindu Kush Mountains (35° N, 78° E) and had to travel in a straight line to the southern edge of the island in the Mediterranean Sea, what are the two water physical features and two land physical features that you would have to cross?
To travel in a straight line from the southern edge of the Hindu Kush Mountains (35° N, 78° E) to the southern edge of the island in the Mediterranean Sea, you would have to cross two water physical features and two land physical features.
The Hindu Kush Mountains are located in the eastern part of Afghanistan, while the Mediterranean Sea is situated to the west of the Hindu Kush Mountains. To reach the southern edge of the Mediterranean Sea, you would need to cross various physical features.
Two possible water physical features you might encounter on this journey are the Caspian Sea and the Aegean Sea. The Caspian Sea, located to the northeast of the Hindu Kush Mountains, is the world's largest inland body of water. Crossing the Caspian Sea would involve a significant water crossing. The Aegean Sea, located between Greece and Turkey, would be another water feature to cross when nearing the southern edge of the Mediterranean.
As for land physical features, you would likely come across the Zagros Mountains and the Anatolian Plateau. The Zagros Mountains extend through western Iran and southeastern Turkey, forming a natural barrier between the Iranian plateau and Mesopotamia. The Anatolian Plateau, located in Turkey, is a vast elevated region characterized by its flat or gently sloping terrain.
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larghe amounts of long-stored organic material will bgin to decay and release carbon dixxiode when extneive areas of
When large amounts of long-stored organic material are present in extensive areas, it can lead to the release of carbon dioxide.
This is because organic material is composed of carbon-based compounds that break down over time due to natural processes such as decomposition. As the organic material decays, it releases carbon dioxide, which is a greenhouse gas that contributes to climate change.
The release of carbon dioxide from extensive areas of organic material can have a significant impact on the environment. For example, if this occurs in forests or wetlands, it can alter the natural balance of these ecosystems and cause significant damage to plant and animal species.
Additionally, the release of carbon dioxide can contribute to global warming and climate change, which can have far-reaching impacts on the planet.
To prevent the release of carbon dioxide from extensive areas of organic material, it is important to take steps to preserve and protect these areas.
This can include measures such as reducing deforestation, managing wetlands to prevent decay, and promoting sustainable agriculture practices that minimize the use of carbon-based fertilizers.
By taking these steps, we can help to mitigate the impact of carbon dioxide emissions and protect the environment for future generations.
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Large amounts of long-stored organic material will begin to decay and release carbon dioxide when extensive areas of land are disturbed or cleared, such as through deforestation or agricultural practices. This can contribute to increased levels of greenhouse gases in the atmosphere and negatively impact the environment.
It is important to manage land use practices in a sustainable manner to minimize the release of carbon dioxide and preserve natural ecosystems. The release of carbon dioxide from long-stored organic material when extensive areas are affected. When large amounts of long-stored organic material, such as plant debris and dead organisms, are exposed to external factors (like deforestation or land-use change), the decomposition process begins. During decomposition, microorganisms break down the organic material, releasing carbon dioxide (CO2) into the atmosphere. This process contributes to the overall carbon cycle and can have an impact on global climate change.
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why is energy of critical interest to the nations of the south pacific?
The nations of the South Pacific are particularly interested in energy because it is of critical importance to their economic development and sustainability. Energy is of critical interest to South Pacific nations because it underpins their economic growth, socio-economic development, efforts to mitigate climate change, and enhances their energy security.
As small island nations, they often rely heavily on imported fossil fuels to meet their energy needs, which can be expensive and environmentally damaging. Additionally, many of these nations are vulnerable to the impacts of climate change, including rising sea levels and extreme weather events, which make it even more urgent for them to transition to renewable sources of energy. By investing in clean energy technologies, the nations of the South Pacific can reduce their dependence on fossil fuels, improve their energy security, and help mitigate the impacts of climate change.
Energy is of critical interest to the nations of the South Pacific for several reasons:
1. Economic growth: Access to reliable and affordable energy is essential for supporting economic development in these nations. Energy plays a vital role in various sectors such as agriculture, transportation, and industry, which contribute to the overall growth and prosperity of the region.
2. Socio-economic development: Access to energy is crucial for improving the living standards of the South Pacific population. Energy enables people to access essential services like education, healthcare, and communication, leading to better overall socio-economic development.
3. Climate change mitigation: South Pacific nations are vulnerable to the adverse impacts of climate change, including rising sea levels and extreme weather events. By focusing on clean and renewable energy sources, these countries can reduce their reliance on fossil fuels, lower greenhouse gas emissions, and contribute to global efforts to combat climate change.
4. Energy security: Many South Pacific nations rely heavily on imported fossil fuels for their energy needs, which exposes them to price volatility and supply disruptions. By investing in local renewable energy resources, these countries can enhance their energy security and reduce their dependence on external sources.
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what harmful invasive characteristics do kudzu (as described in your textbook) and cane toads have in common? check all that apply. a) They grow and/or reproduce rapidly. b) They were accidentally introduced. c) They are extremely hard to get rid of.
The harmful invasive characteristics that kudzu and cane toads have in common. The common characteristics are that they grow and/or reproduce rapidly, they were accidentally introduced and they are extremely hard to get rid of.
The correct statements are (a), (b), and (c).
Both kudzu and cane toads are considered harmful invasive species that have been introduced to new habitats and have had negative impacts on the local ecosystems. Kudzu is a fast-growing vine that can quickly overtake other plants and disrupt the balance of the ecosystem. Similarly, cane toads are known for their rapid reproduction and ability to outcompete native species for resources. Additionally, both species were accidentally introduced to their new habitats and have proven to be extremely difficult to eradicate once established.
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after task 29, examine the attribute table of towerview. what values does the raster actually store? use the tool help to determine what the values mean.
After completing Task 29, you can examine the attribute table of the Towerview raster layer by right-clicking on the layer in the table of tool contents and selecting "Open Attribute Table."
The attribute table will show a list of values for each pixel in the raster, indicating the elevation of the terrain at that point.
The actual values stored in the raster are in units of meters above sea level. You can use the "Identify" tool to click on any pixel in the raster and get its elevation value in meters.
Alternatively, you can use the "Raster Calculator" tool to perform calculations using these elevation values, such as creating a new raster layer that shows the slope of the terrain or the aspect (direction of the slope).
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________________was a destination for tens of thousands of black American emigrants.
- Liberia
-South Carolina
- Portugal
- England
Liberia was a destination for tens of thousands of black American emigrants.
Liberia was a destination for tens of thousands of black American emigrants. In the early 1800s, the American Colonization Society was formed to encourage free black Americans to migrate to Liberia, a country in West Africa that was founded by the society as a home for freed slaves. Between 1822 and 1867, more than 13,000 black Americans migrated to Liberia, hoping to escape racism and oppression in the United States and create a new life for themselves in Africa. However, the reality of life in Liberia was not always as promising as they had hoped, as the settlers faced disease, conflict with indigenous peoples, and economic struggles. Despite these challenges, many black Americans continued to emigrate to Liberia throughout the 19th and early 20th centuries, and the country remains an important part of the history of black American migration.
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the san andreas fault in west coast of california is an examples of: group of answer choices convergent boundary divergent boundary no plate boundary
The San Andreas Fault is an example of a plate boundary, specifically a transform boundary.
It is where two tectonic plates, the Pacific Plate and the North American Plate, slide past each other in opposite directions. The movement along the fault creates earthquakes, which are a common occurrence in California. The San Andreas Fault extends roughly 800 miles through California and is one of the most studied and well-known fault systems in the world.
The fault separates the Pacific Plate from the North American Plate and is part of the larger boundary known as the Pacific Ring of Fire, which is characterized by frequent earthquakes and volcanic eruptions. Due to its location and potential for seismic activity, the San Andreas Fault is closely monitored by geologists and seismologists to better understand and prepare for earthquakes in the region.
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 mapping the history of natural hazards in a region combined with an understanding of related geological forces can help forecast the locations and likelihoods of future events in this article NASA oceanographic Bill patzert says that this forecast “ shows that the natural hazards don’t necessarily have to be catastrophic like [ hurricanes ] Katrina or sandy they can creep up on you today. What is a nuisance today,in a couple decades will be a serious problem for some communities.” What is your opinion about this statement? How does it relate to how humans have attempted to map the history of natural hazards around the world?
A naturally occurring event that poses a threat to a population a map showing the history of natural hazards in a region combined with knowledge of associated geological factors the likelihoods of future events in this article nautical data from NASA.
A natural disaster is a dangerous occurrence that results in unacceptably high numbers of fatalities and/or massive property damage.
Through a number of grants and collaborations supported by the NASA Research Opportunities in Space and Earth Science (ROSES) programme, the NASA Disasters programme sponsors application science to support disaster risk reduction, response, and recovery.
Geological, hydrological, meteorological, and biological hazards are a few basic categories into which natural hazards can be divided.
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At each stage in its life cycle, a product receives Inputs of materials and energy, produces outputs of materials or energy that move to subsequent phases, and releases wastes into the environment. Properly place the following labels on the life cycle Inventory figure. - Manufacturing processing and formulation -Raw materials acquisition - Distribution and transportation -Use/reuse maintenance -Waste management -Recycling
The labels on the life cycle Inventory figure: - Raw materials acquisition. - Manufacturing processing and formulation. - Distribution and transportation. - Use/reuse maintenance. - Waste management. - Recycling.
The labels on the life cycle Inventory figure:
1. Raw materials acquisition: This is the first stage in the life cycle. In this stage, the raw materials required for the product are gathered or extracted from natural resources.
2. Manufacturing processing and formulation: This is the second stage. Here, the acquired raw materials go through various processes and are combined, forming the final product.
3. Distribution and transportation: The third stage involves the movement of the manufactured products from the production facility to various distribution points, such as warehouses or retailers, before reaching the end consumer.
4. Use/reuse maintenance: This is the fourth stage of the life cycle, where the product is used by the consumer for its intended purpose. Proper maintenance and possible reuse of the product can extend its useful life, reducing its overall environmental impact.
5. Waste management: In the fifth stage, products that have reached the end of their useful life are disposed of through methods such as landfilling or incineration, depending on local regulations and waste management practices.
6. Recycling: The final stage of the life cycle involves recovering materials from end-of-life products and reintroducing them into the manufacturing process to create new products, reducing the need for additional raw materials acquisition.
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Which of the following statements about the possible impacts of global warming is FALSE? Warmer oceans would allow reef systems to expand their size and range, helping to offset reduced fishing in other areas. O Warmer temperatures and warmer ocean water might increase the intensity of hurricane systems and raise sea level. Loss of mountain glaciers could greatly reduce the freshwater supplies available for surrounding human populations. Loss of Arctic sea ice could change the reflectivity of many northern areas, leading to increased climate warming. Warmer temperatures could lead to significant increases in invasive species and mosquito- borne infectious diseases.
The given statement that "warmer oceans would allow reef systems to expand their size and range, helping to offset reduced fishing in other areas" is false because While it is true that warmer ocean temperatures can have positive impacts on some marine species, such as increasing the range of certain fish and promoting the growth of certain types of plankton, this does not necessarily apply to reef systems.
In fact, coral reefs are highly sensitive to changes in ocean temperature, and warming waters can lead to coral bleaching and ultimately the death of reef ecosystems. Additionally, the loss of reef systems can have a negative impact on fisheries, as reefs provide habitat and spawning grounds for many commercially important fish species.
Therefore, it is important to recognize the potential negative impacts of global warming on reef systems, and to take action to mitigate these impacts through measures such as reducing greenhouse gas emissions and protecting coral reef habitats.
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This soil horizon is sometimes contains hardpans of clay in moist climates and caliche in dry climates.
Group of answer choices
a. A horizon
b. E horizon
c. O horizon
d. B horizon
The B horizon can contain hardpans of clay in moist climates and caliche in dry climates.Option D
The soil horizon that fits the description provided is the B horizon. The B horizon is the layer of soil that lies below the A horizon, which is the layer of soil that is rich in organic matter and minerals.
The B horizon is characterized by a buildup of minerals that have been leached down from the A horizon over time. In some cases, the B horizon can contain hardpans of clay in moist climates and caliche in dry climates.
Hardpans of clay are layers of soil that have become compacted over time, often due to heavy foot traffic or agricultural practices. This compaction can make it difficult for water and air to penetrate the soil, leading to poor plant growth and reduced soil fertility.
In moist climates, hardpans of clay can form in the B horizon as water percolates down from the A horizon, carrying clay particles with it.
Caliche, on the other hand, is a layer of calcium carbonate that forms in arid and semi-arid regions. This layer can become quite hard and can prevent water from percolating down into the soil.
Caliche can form in the B horizon as water evaporates from the soil surface, leaving behind calcium carbonate that gradually accumulates over time.
In conclusion, These layers can have a significant impact on soil fertility and plant growth, and may require management practices to address. So Option D is correct
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d. B horizon. This soil horizon is sometimes contains hardpans of clay in moist climates and caliche in dry climates
What is the B horizonThe B horizon, also known as the subsoil, is the soil horizon that is found beneath the A horizon (topsoil). It is typically characterized by the accumulation of minerals and other materials leached from the overlying layers.
In some cases, the B horizon can contain hardpans of clay in moist climates or caliche (a hardened layer of calcium carbonate) in dry climates. These hardpans or caliche layers can restrict water movement and root penetration, affecting the drainage and fertility of the soil.
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how ought can climate and weather be
Our Climate and weather cannot be controlled they can be influenced through sustainable practices and reducing greenhouse gas emissions.
How can we impact climate and weather patterns?We can take actions to reduce our impact on the environment and decrease the likelihood of extreme weather events. This includes reducing greenhouse gas emissions through transitioning to renewable energy sources, conserving energy and reducing waste.
It also involves practicing sustainable agriculture, protecting and restoring ecosystems and implementing policies to reduce carbon emissions on a global scale. By taking the steps to mitigate our impact on the environment, we can help ensure a sustainable climate and weather patterns for future generations.
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Environmental Impact Statements outline the _______. A. Environmental effects of proposed industry actions b. Environmental effects of proposed government agency actions c. Environmental effects of entities in the private sector d. Environmental effects of government and business actions Please select the best answer from the choices provided A B C D.
The best answer is A. Environmental effects of proposed industry actions. Environmental Impact Statements (EIS) are documents prepared to assess and disclose the potential environmental effects of proposed projects, particularly those initiated by industries or private entities.
These statements evaluate the impacts of various actions, such as construction projects, industrial operations, infrastructure development, and resource extraction, on the environment, including factors like air and water quality, biodiversity, ecosystems, and social and cultural aspects. EIS plays a crucial role in decision-making processes, allowing for informed choices and considerations of potential environmental consequences before proceeding with proposed industry actions.
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Recommendation and solutions for tropical cyclone funso
Tropical Cyclone Funso is a powerful weather phenomenon that occurred in the past, and my knowledge is based on information available until September 2021. It is always important to follow official instructions and consult with local experts during such events. Here are some general recommendations:
1. Stay informed: Monitor local weather reports, news updates, and official bulletins from meteorological agencies to stay informed about the cyclone's progress and potential threats.
2. Evacuation planning: If you live in an area prone to tropical cyclones, familiarize yourself with evacuation routes and shelters beforehand. Create a family emergency plan and ensure everyone knows what to do and where to go in case of an evacuation order.
3. Secure your property: Prior to the cyclone's arrival, secure or store loose items, such as outdoor furniture, gardening tools, and toys. Trim trees and shrubs, and clear gutters and drains to prevent blockages.
4. Stock up on essentials: Create an emergency kit that includes non-perishable food, drinking water, medications, flashlights, batteries, a first aid kit, important documents, and other essential supplies. Make sure you have enough to sustain your family for at least three days.
5. Reinforce your home: Strengthen windows and doors, and consider installing storm shutters or plywood covers to protect against high winds. Ensure your roof is well-maintained and secured.
6. Power supply: Prepare alternative power sources such as generators and have sufficient fuel. If you have medical equipment that relies on electricity, ensure you have backup power options and inform your healthcare provider about your situation.
7. Stay indoors: During the cyclone, stay indoors and away from windows. Listen to battery-powered radios or smartphones for updates and instructions from local authorities.
8. Post-cyclone safety: After the cyclone has passed, exercise caution when venturing outside. Be aware of potential hazards like downed power lines, weakened structures, and flooded areas. Follow instructions regarding safe water usage and be mindful of the risk of waterborne diseases.
9. Seek assistance: If you or someone else requires immediate medical attention or rescue, contact emergency services right away. Do not hesitate to seek help or assistance from local authorities or humanitarian organizations in your area.
Remember, these recommendations are general in nature, and it is crucial to adapt them to your specific situation and follow the advice and instructions given by local authorities who have the most up-to-date information and expertise on the cyclone's impact.
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How big the would most of the plants be in africa? Why?
The size of plants in Africa can vary significantly depending on various factors such as climate, soil conditions, and plant species.
Africa is a vast and diverse continent with a wide range of ecosystems and biomes, including savannas, rainforests, deserts, and grasslands. Each of these regions has unique environmental characteristics that influence the size and growth of plants.
In areas with abundant rainfall, such as tropical rainforests and wetlands, plants can grow to impressive sizes. The consistent moisture and high levels of sunlight in these regions provide optimal conditions for plant growth, allowing them to reach their maximum potential. Examples of large plants in African rainforests include towering trees, such as mahogany and ebony, which can grow to great heights and have expansive canopies.
In savannas and grasslands, where there is a distinct wet and dry season, plants have adapted to thrive in periodic drought conditions. Although the individual plants in these areas may not reach the same size as those in rainforests, they can cover vast areas and form dense vegetation.
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